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PatchSiren cyber security CVE debrief

CVE-2026-39577 Elated-Themes CVE debrief

CVE-2026-39577 is a medium-severity vulnerability in the Playroom theme, affecting versions up to 1.4.1. The vulnerability allows unauthenticated PHP object injection, which could potentially lead to security issues. The CVSS score for this vulnerability is 5.5, indicating a medium level of severity. The vulnerability was published on June 17, 2026, and last modified on the same day. Users of the Playroom theme should take necessary precautions to mitigate this vulnerability.

Vendor
Elated-Themes
Product
Playroom
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-17
Advisory published
2026-06-17
Advisory updated
2026-06-17

Who should care

Users of the Playroom theme, particularly those using versions up to 1.4.1, should be aware of this vulnerability and take necessary steps to mitigate it. This includes updating to a patched version if available and implementing additional security measures to prevent exploitation.

Technical summary

The vulnerability is caused by an unauthenticated PHP object injection in the Playroom theme, affecting versions up to 1.4.1. This type of vulnerability can allow attackers to inject malicious PHP objects, potentially leading to security issues. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N, indicating a medium level of severity.

Defensive priority

medium

Recommended defensive actions

  • Update to a patched version of the Playroom theme if available
  • Implement additional security measures to prevent exploitation, such as input validation and sanitization
  • Monitor for suspicious activity and implement logging and monitoring tools
  • Consider implementing a web application firewall (WAF) to detect and prevent attacks
  • Keep software and plugins up to date with the latest security patches

Evidence notes

The vulnerability was reported by Patchstack and is documented in the CVE record. The CVSS score and vector were provided by the National Vulnerability Database (NVD).

Official resources

public